Storm Station
Potomac Mills, Virginia
62°
Light rain· Feels like 62°·Gentle breeze 10 mph NNW
A slight chance of rain showers. Cloudy, with a low around 59. Northwest wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
-UV
-Air quality
81%Humidity
96%Cloud

What is measuring near here

The 4 instruments nearest Potomac Mills, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.3 miles away.

measured now2 instruments

Fort Belvoir/DavisoDAA

At an airfield/8.0 mi away/69 ft/190 ft below here

temp, wind, gust, visibility, precip, pressure

Rank40of 732

measured daily2 instruments

Dale City 0.5 WNWVA-PW-2

In a volunteer observer's own ground/2.3 mi away/308 ft/49 ft above here

precip, snowfall, snow depth

Rank-

ManassasMNNV2

At a cooperative observer's station/11.0 mi away/256 ft/3 ft below here

snowfall, snow depth, precip, high, low

Rank-

Station report

The weather at Fort Belvoir/Daviso, drawn

The nearest airport reporting now, 8.0 mi from Potomac Mills. From its report of Sep 27, 2026, 4:27 AM local time: 3 of its 6 sheets.

The sky

Overcast at 4,400 ft; the ceiling is 4,400 ft; visibility 10 mi or more.

Section of the sky over Fort Belvoir/Daviso, height above the station to scale: overcast cloud with its base at 4,400 feet, the ceiling at 4,400 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DAAFIG. A THE SKY OVER FORT BELVOIR/DAVISOSECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 4,400 FTOVERCAST, 8 EIGHTHS OF THE SKYCEILING 4,400 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEFort Belvoir/Daviso, the skySTATION REPORT · ASOS DAATYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-09-27IDSR-DAA-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

62.6 F with a dew point of 51.8 F, 68 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,500 ft up; the lowest cloud reported is at 4,400 ft.

Chart of the air at Fort Belvoir/Daviso: temperature 62.6 degrees Fahrenheit and dew point 51.8, 68 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,500 feet above the station, against the lowest cloud reported at 4,400 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DAAFIG. B THE AIR AT FORT BELVOIR/DAVISOTHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00040 F50 F60 F70 FSATURATES 2,500 FT ABOVE THE STATION, AT 49.3 FLOWEST CLOUD REPORTED, OVC 4,400 FTTEMPERATURE 62.6 FDEW POINT 51.8 FSPREAD 10.8 FRELATIVE HUMIDITY 68 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEFort Belvoir/Daviso, the airSTATION REPORT · ASOS DAATYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-09-27IDSR-DAA-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the northwest (310 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale.

Plan of the wind at Fort Belvoir/Daviso, north up: blowing from 310 degrees, the northwest, at 9 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT DAAFIG. C THE WIND AT FORT BELVOIR/DAVISOPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 310°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEFort Belvoir/Daviso, the windSTATION REPORT · ASOS DAATYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-09-27IDSR-DAA-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Fort Belvoir/Daviso, in 6 sheets, each beside the Field Book plates that explain it

-in

Snow on the ground

Elsewhere in Virginia

16 places, each with its own forecast and its own instruments.

Near Potomac Mills

The nearest places, each with its own forecast and the instruments nearest it.